Fig. 5 | Scientific Reports

Fig. 5

From: Multinational cross-sectional study and meta-analysis on radicular grooves, C-shaped canals, and taurodontism in mandibular first premolars across 20 countries

Fig. 5

Network graph visualizing factorial correlations between mandibular first premolar anatomical features using Cramer’s V. The strength of associations is indicated by the color and thickness of the connecting lines: very strong (red), strong (green), moderate (yellow), weak (gray), and none (dashed gray). Key features include C-shaped canals, grooves, taurodontism, root bifurcation, number of roots, age range, gender, and tooth location.

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